From 160da3fab10d9b527d5c059dfc2d565249210a09 Mon Sep 17 00:00:00 2001
From: Marshall Culpepper <marshall@kubos.co>
Date: Mon, 23 Nov 2015 10:43:42 -0600
Subject: [PATCH] cpu/cortexm_common: enable custom newlib syscalls w/
newlib_syscalls_X
---
Makefile.dep | 5 +++++
sys/Makefile.include | 2 +-
sys/newlib/Makefile | 2 ++
sys/newlib/Makefile.include | 2 +-
4 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/Makefile.dep b/Makefile.dep
index 0ff91fe2d3..6ee5f19892 100644
--- a/Makefile.dep
+++ b/Makefile.dep
@@ -270,6 +270,11 @@ ifneq (,$(filter gnrc_pktdump,$(USEMODULE)))
endif
ifneq (,$(filter newlib,$(USEMODULE)))
+ # allow custom newlib syscalls implementations by adding
+ # newlib_syscalls_XXX to USEMODULE
+ ifeq (,$(filter newlib_syscalls_%,$(USEMODULE)))
+ USEMODULE += newlib_syscalls_default
+ endif
USEMODULE += uart_stdio
endif
diff --git a/sys/Makefile.include b/sys/Makefile.include
index eb3523ce0e..b0f203d0c3 100644
--- a/sys/Makefile.include
+++ b/sys/Makefile.include
@@ -61,7 +61,7 @@ ifneq (,$(filter log_%,$(USEMODULE)))
include $(RIOTBASE)/sys/log/Makefile.include
endif
-ifneq (,$(filter newlib,$(USEMODULE)))
+ifneq (,$(filter newlib_syscalls_default,$(USEMODULE)))
include $(RIOTBASE)/sys/newlib/Makefile.include
endif
diff --git a/sys/newlib/Makefile b/sys/newlib/Makefile
index 48422e909a..586bc62601 100644
--- a/sys/newlib/Makefile
+++ b/sys/newlib/Makefile
@@ -1 +1,3 @@
+MODULE = newlib_syscalls_default
+
include $(RIOTBASE)/Makefile.base
diff --git a/sys/newlib/Makefile.include b/sys/newlib/Makefile.include
index 9a497e6102..28197b3279 100644
--- a/sys/newlib/Makefile.include
+++ b/sys/newlib/Makefile.include
@@ -1,4 +1,4 @@
-UNDEF := $(BINDIR)newlib/syscalls.o $(UNDEF)
+UNDEF := $(BINDIR)newlib_syscalls_default/syscalls.o $(UNDEF)
# Search for Newlib include directories
--
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